Herman Frank is a German guitar player. He joined the heavy metal band Accept before the release of their 1982 album, Restless and Wild, and left after the following (and the band's most successful) album, 1984's Balls to the Wall was released. He was preceded by Jan Koemmet in Accept and succeeded by Jörg Fischer. When Accept reunited for festival appearances in 2005, it was with Herman Frank in the spot alongside constant presence Wolf Hoffmann. He was involved in the band's recent reunion and their 2010 album Blood of the Nations, their first album in 14 years.

Frank has also recorded with Hazzard, Victory, Moon'Doc, Sinner and Saeko.

Frank has worked as record producer and mixer for Saxon, Rose Tattoo, Molly Hatchet and several others.